Just wondering if it is or was still common practice to remove the upper
> chain guides on newer (circa 1999) Altima engine. My 94 had the guide
> removed and I'm wondering if I should get the 99's taken off as well. Was
> there any reason for the removal aside from silencing some chain noise?
They recomended it because the guides were breaking off and causing major problem when they did. I would guess if they put them back in, they have fixed the problem? For several years after the problem models, the factory left them out. Just FYI.